code: def _indent(printer):
      printer.level += 1
      yield
      printer.level -= 1
  
file_path: ray/python/ray/util/check_serialize.py
imports: import inspect
  from contextlib import contextmanager
  from typing import Any, Optional, Set, Tuple
  import ray
  import colorama
  import ray.cloudpickle
  from ray.util.annotations import DeveloperAPI
label_desc: Use image node_id 1 for calling a global function with example usage: _indent(printer) without return types